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Major mag. 7.1 earthquake - Solomon Islands on Tuesday, 23 October 1979

Major mag. 7.1 earthquake  - Solomon Islands on Tuesday, 23 October 1979
Date & time: Tuesday, 23 October 1979 09:51 UTC
Magnitude: 7.1
Depth: 22.0 km
Epicenter latitude / longitude: 10.615°S / 161.284°E (Solomon Islands)
Nearest volcano: Gallego (221 km / 137 mi)
Nearby towns and cities:
72 km (45 mi) SW of Kirakira (pop: 1,100)
197 km (122 mi) SE of Honiara (pop: 56,300)
Primary data source: USGS
Estimated released energy: 2.8 x 1015 joules (783 gigawatt hours, equivalent to 6.7 x 105 tons of TNT or 42.1 atomic bombs!) [learn more]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
TimeMag. / DepthLocationSource
Thu, 1 Jan 00:00 UTCM
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (modified Mercalli) scale.
There are no user reports for this quake yet. If you felt it or were nearby when it occurred, be the first to report it!

Aftershocks of the 7.1 quake: Solomon Islands, 23 Oct 1979 09h51

Show info about this
List of recorded aftershocks, latest first (90 quakes):
  • 21 Oct 1981 23:20 UTC
    | M 4.6 |
    33 km (20.5 mi) depth
    |
    119 km (74 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    17638 km (10960 mi) distance
    | | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    17638 km (10960 mi) distance
    | | Details
  • 09 Oct 1981 12:19 UTC
    | M 6.4 |
    50.2 km (31.2 mi) depth
    |
    109 km (68 mi) distance
    | USGS | Strong mag. 6.4 earthquake - Solomon Islands on Friday, 9 October 1981
  • 04 Oct 1981 10:18 UTC
    | M 5.1 |
    57.8 km (35.9 mi) depth
    |
    17 km (10 mi) distance
    | USGS | Details
  • 10 Sep 1981 03:29 UTC
    | M 4.9 |
    109.7 km (68.2 mi) depth
    |
    50 km (31 mi) distance
    | USGS | Details
  • 22 Aug 1981 07:48 UTC
    | M 4.6 |
    85 km (52.8 mi) depth
    |
    140 km (87 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    17638 km (10960 mi) distance
    | | Details
  • 21 Aug 1981 11:00 UTC
    | M 4.7 |
    33 km (20.5 mi) depth
    |
    148 km (92 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    17638 km (10960 mi) distance
    | | Details
  • 21 Jul 1981 12:27 UTC
    | M 4.8 |
    92 km (57.2 mi) depth
    |
    64 km (40 mi) distance
    | USGS | Details
  • 20 Jun 1981 20:05 UTC
    | M 4.7 |
    101 km (62.8 mi) depth
    |
    36 km (23 mi) distance
    | USGS | Details
  • 16 Jun 1981 17:17 UTC
    | M 4.1 |
    98 km (60.9 mi) depth
    |
    89 km (55 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    17638 km (10960 mi) distance
    | | Details
  • 12 Jun 1981 00:34 UTC
    | M 4.9 |
    89.2 km (55.4 mi) depth
    |
    33 km (21 mi) distance
    | USGS | Details
  • 05 Jun 1981 02:37 UTC
    | M 4.6 |
    33 km (20.5 mi) depth
    |
    81 km (50 mi) distance
    | USGS | Details
  • Show all

Map of aftershocks

Significant earthquakes in the same area since 1900

Major mag. 7.1 earthquake - Solomon Islands on Tuesday, 23 October 1979

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